U.S. Marines rest aboard a ship in the Marshall Islands following their victory at the Battle of Eniwetok, where they took Enewetak Atoll from the Imperial Japanese in under a week. Near Enewetak Atoll, Marshall Islands. February 1944.
On November 16, 1952, a B-36H bomber dropped a nuclear bomb over a point north of Runit Island in the Enewetak atoll, resulting in a 500 kiloton explosion -- part of a test code-named Ivy. (U.S. Department of Defense)
The nuclear trash can of the pacific on Enewetak Atoll... What you see on the picture above is just what the title says... a massive concrete lid to a 107 m diameter nuclear waste trash can on a beautiful island in the middle of the Pacific ocean.
Increasingly labeled "tornado", this is a nuclear bomb test in the Enewetak Atoll, part of Operation Greenhouse. This was test site 8, May 1951, codenamed George -- the world's first thermonuclear burn.